National Weather Service Forecast for: Vallejo CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:00 am PDT Jun 22, 2026
 
Today

Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 7 to 11 mph.
Becoming
Sunny
 Tonight

Tonight: Increasing clouds, with a low around 54. Southwest wind 7 to 11 mph.
Increasing
Clouds
 Tuesday

Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind 7 to 10 mph.
Becoming
Sunny
 Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 55. Southwest wind 7 to 10 mph.
Increasing
Clouds
 Wednesday

Wednesday: Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 77.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
 Friday

Friday: Mostly sunny, with a high near 76.
Mostly Sunny
Hi 75 °F Lo 54 °F Hi 77 °F Lo 55 °F Hi 78 °F Lo 55 °F Hi 77 °F Lo 55 °F Hi 76 °F

 

Today
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 7 to 11 mph.
Tonight
 
 Increasing clouds, with a low around 54. Southwest wind 7 to 11 mph.
Tuesday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind 7 to 10 mph.
Tuesday Night
 
 Increasing clouds, with a low around 55. Southwest wind 7 to 10 mph.
Wednesday
 
 Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 55.
Thursday
 
 Sunny, with a high near 77.
Thursday Night
 
 Mostly clear, with a low around 55.
Friday
 
 Mostly sunny, with a high near 76.
Friday Night
 
 Mostly clear, with a low around 57.
Saturday
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 55.
Sunday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Vallejo CA.